package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.*;

import java.awt.*;
import java.util.List;

@Mapper
public interface ShoppingCartMapper {

    /**
     * 动态条件查询购物车列表
     *
     * @param shoppingCart
     * @return
     */
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    /**
     * 根据id修改商品数量
     * @param cart
     */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateById(ShoppingCart cart);

    /**
     * 插入购物车数据
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, image, user_id, dish_id, setmeal_id, dish_flavor, number, amount, create_time) " +
            "VALUES (#{name}, #{image}, #{userId}, #{dishId}, #{setmealId}, #{dishFlavor}, #{number}, #{amount}, #{createTime})")
    void insert(ShoppingCart shoppingCart);

    /**
     * 清空购物车
     * @param currentId
     */
    @Delete("delete from shopping_cart where user_id = #{currentId}")
    void deleteByUserId(Long currentId);

    /**
     * 删除购物车中的一个商品
     * @param cart
     */
    @Delete("delete from shopping_cart where dish_id = #{dishId} or setmeal_id = #{setmealId}")
    void deleteByDidhIdOrSetmealId(ShoppingCart cart);
}
